They are not blockers for merge - only for 2.0. GA As I said already the feature is usable right now We would like to continue working on master and we would like to see a commitment from community
Sent from my iPhone On Mar 10, 2017, at 11:16 AM, Andrew Purtell <apurt...@apache.org> wrote: >> Only BLOCKERs and CRITICALs are guaranteed for HBase 2.0 release. > > If we have identified blockers, why merge this before they are in? > Otherwise we can't release 2.0, and it is overdue. > > > On Wed, Mar 8, 2017 at 1:32 PM, Vladimir Rodionov <vladrodio...@gmail.com> > wrote: > >> Hello, HBase folks >> >> For your consideration today is Backup/Restore feature for Apache HBAse >> 2.0. >> Backup code is available as a mega patch in HBASE-14123 (v61), applies >> cleanly to the current master, all test PASS, patch has no other issues. >> >> The patch has gone through numerous rounds of code reviews and has probably >> the most lengthy discussion thread on Apache JIRA (HBASE-14123) :) >> >> The work has been split into 3 phases (HBASE-14030, 14123, 14414) Two first >> are complete, third one is still in progress. >> >> >> *** Summary of work HBASE-14123 >> >> The new feature introduces new command-line extensions to the hbase command >> and, from the client side, is accessible through command-line only >> Operations: >> * Create full backup on a list of tables or backup set >> * Create incremental backup image for table list or backup set >> * Restore list of tables from a given backup image >> * Show current backup progress >> * Delete backup image and all related images >> * Show history of backups >> * Backup set operations: create backup set, add/remove table to/from backup >> set, etc >> >> In the current implementation, the feature is already usable, meaning that >> users can backup tables and restore them using provided command-line tools. >> Both: full and incremental backups are supported. >> This work is based on original work of IBM team (HBASE-7912). The full list >> of JIRAs included in this mega patch can be found in three umbrella JIRAs: >> HBASE-14030 (Phase 1), HBASE-14123 (Phase 2) and HBASE-14414 (Phase 3 - all >> resolved ones made it into the patch) >> >> *** What are the remaining work items >> >> All remaining items can be found in Phase 3 umbrella JIRA: HBASE-14414. >> They are split into 3 groups: BLOCKER, CRITICAL, MAJOR >> Only BLOCKERs and CRITICALs are guaranteed for HBase 2.0 release. >> >> ***** BLOCKER >> >> * HBASE-14417 Incremental backup and bulk loading ( Patch available) >> * HBASE-14135 HBase Backup/Restore Phase 3: Merge backup images >> * HBASE-14141 HBase Backup/Restore Phase 3: Filter WALs on backup to >> include only edits from backup tables (Patch available) >> * HBASE-17133 Backup documentation >> * HBASE-15227 Fault tolerance support >> >> ***** CRITICAL >> >> * HBASE-16465 Disable split/merges during backup >> >> We have umbrella JIRA (HBASE-14414) to track all the remaining work >> All the BLOCKER and CRITICAL JIRAs currently in open state will be >> implemented by 2.0 release time. Some MAJOR too, but it depends on resource >> availability >> The former development branch (HBASE-7912) is obsolete and will be >> closed/deleted after the merge. >> We want backup to be a GA feature in 2.0 >> We are going to support full backward compatibility for backup tool in 2.0 >> and onwards. >> >> **** Configuration >> >> Backup is disabled, by default. To enable it, the following configuration >> properties must be added to hbase-site.xml: >> >> hbase.backup.enable=true >> hbase.master.logcleaner.plugins=YOUR_PLUGINS,org. >> apache.hadoop.hbase.backup.master.BackupLogCleaner >> hbase.procedure.master.classes=YOUR_CLASSES,org. >> apache.hadoop.hbase.backup.master.LogRollMasterProcedureManager >> hbase.procedure.regionserver.classes=YOUR_CLASSES,org. >> apache.hadoop.hbase.backup.regionserver.LogRollRegionServerProcedureMa >> nager >> >> >> I would like to thank IBM team and Jerry He for original work, >> >> Enis, Ted, Stack, Matteo, Jerry for time spent on code reviews >> >> Special thanks to Ted Yu for his co-development work. >> >> References: >> >> https://issues.apache.org/jira/browse/HBASE-7912 (original IBM, contains >> design doc) >> https://issues.apache.org/jira/browse/HBASE-14030 (Phase 1) >> https://issues.apache.org/jira/browse/HBASE-14123 (Phase 2) >> https://issues.apache.org/jira/browse/HBASE-14414 (Phase 3) >> >> Please vote +1/-1 by midnight Pacific Time (00:00 >> -0800 GMT) on March 11th on whether or not we should merge this into the >> current master. >> >> -Vladimir Rodionov >> > > > > -- > Best regards, > > - Andy > > If you are given a choice, you believe you have acted freely. - Raymond > Teller (via Peter Watts)
